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V3502. AUTOSAR. Size of an array is not…
Analyzer Diagnostics
General Analysis (C++)
General Analysis (C#)
General Analysis (Java)
Diagnosis of micro-optimizations (C++)
Diagnosis of 64-bit errors (Viva64, C++)
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Contents

V3502. AUTOSAR. Size of an array is not specified.

March 3, 2021

This diagnostic rule is based on the software development guidelines developed by AUTOSAR (AUTomotive Open System ARchitecture).

The size of an array must be specified explicitly.

The analyzer issues this warning when it detects a declaration of an array whose size is not specified explicitly. If the array size can be inferred from the initializer, the warning is not issued.

This warning is also issued for a function parameter written as an array whose size is not specified explicitly. For example:

void foo(int arr[])
{
  ....
}

To eliminate the warning, rewrite the parameter declaration or specify the expected array size explicitly. To achieve that, the code above could be modified as follows:

void foo(int *arr)
{
  ....
}

Or:

void foo(int arr[256])
{
  ....
}

This diagnostic is classified as:

  • AUTOSAR-A3.1.4
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